Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/BlackboardDataFacet.java @ 2122:81312f84689a

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Refactored to easier enjoy benefits of caching. flys-artifacts/trunk@3692 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 17 Jan 2012 08:01:22 +0000
parents bb0dede9294f
children 7a8f52267a5c
rev   line source
2024
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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1 package de.intevation.flys.artifacts.model;
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import de.intevation.artifacts.Artifact;
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7 import de.intevation.artifacts.CallContext;
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8
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9 import de.intevation.artifactdatabase.state.DefaultFacet;
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10
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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11
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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12 /**
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13 * Facet that writes artifact-uui and facet index on the blackboard,
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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14 * delivers data if asked so.
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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15 */
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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16 public class BlackboardDataFacet extends DefaultFacet {
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
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17
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18 public BlackboardDataFacet() {}
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19
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20 /** Do not instantiate a BlackboardDataFacet, subclass it instead. */
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21 public BlackboardDataFacet(int idx, String name, String description) {
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22 super(idx, name, description);
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23 }
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24
2122
81312f84689a Refactored to easier enjoy benefits of caching.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2104
diff changeset
25 /** Do not instantiate a BlackboardDataFacet, subclass it instead. */
81312f84689a Refactored to easier enjoy benefits of caching.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2104
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26 public BlackboardDataFacet(String name, String description) {
81312f84689a Refactored to easier enjoy benefits of caching.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2104
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27 super(0, name, description);
81312f84689a Refactored to easier enjoy benefits of caching.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2104
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28 }
2024
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29
2104
bb0dede9294f Implementation towards areas at other than first axis (flys/issue441).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2024
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30 /** Define key to which to respond when asked for 'blackboard'
bb0dede9294f Implementation towards areas at other than first axis (flys/issue441).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2024
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31 * (DataProvider)- data. */
bb0dede9294f Implementation towards areas at other than first axis (flys/issue441).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2024
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32 public String areaDataKey(Artifact art) {
bb0dede9294f Implementation towards areas at other than first axis (flys/issue441).
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33 return art.identifier() + ":" + getName() + ":" + getIndex();
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parents: 2024
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34 }
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2024
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35
bb0dede9294f Implementation towards areas at other than first axis (flys/issue441).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2024
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36
bb0dede9294f Implementation towards areas at other than first axis (flys/issue441).
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parents: 2024
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37 /** Hey, We can ArtifactUUID+:+FacetName+:+FacetIndex (i.e. getData)! */
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38 public List getDataProviderKeys(Artifact art) {
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39 List list = new ArrayList();
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bb0dede9294f Implementation towards areas at other than first axis (flys/issue441).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2024
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40 list.add(areaDataKey(art));
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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41 return list;
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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42 }
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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43
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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44
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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45 /**
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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46 * Can provide whatever getData returns.
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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47 * @param key will respond on uuid+index
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48 * @param param ignored
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49 * @param context ignored
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50 * @return whatever getData delivers.
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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51 */
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52 public Object provideBlackboardData(Artifact artifact,
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53 Object key,
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54 Object param,
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55 CallContext context
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56 ) {
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57 if (key.equals(areaDataKey(artifact))) {
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58 return getData(artifact, context);
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59 }
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60 else {
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61 return null;
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62 }
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63 }
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64 }
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65 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org